E M A R G I N U L A. 



Plate VI. 



Species 38. (Mus. Brit.) 



EsunoiNULA ciussicosTATA. Ettia. testa parvd, suhovatA, 

 antice latiusciild, rtujosd ; costis radiantihus nume- 

 rosis, OKjuaiibus, nodulosis, interstitiis concentrire 

 regulariter liratis, foveolatis ; apice poslico ; durso 

 arcuato ; cicatrice jUsurali elcvato ; fismifd elonijatd. 



Tut TiiicK-KiuBED Emarginula. Shell Small, subcvate, 

 anteriorly rather broad, mgose ; radiating ribs 

 numerous, equal, nodulose, interstices concentri- 

 cally ridged, pitted ; apex posterior ; back arched ; 

 tissural cicatrix elevated, fissure elongated. 



SowEnuv. Thesaurus Conchyliorura. Fissurollida?, PI. 

 XI. tig. 42. 



//„/,. > 



Species 31 



(Mus 



.-it.) 



Emai!Gini;i.a ciiAssii.Ai'.itrM. Eiiia. Itsti'i annprettfd, 

 postice expwifd, fulvd, partim suhciiiered, 

 quinque-angulatd, costeUis incegualibus, validis, ad 

 aiiijiilos prominentioi-ibus, posticis dupUcatis radintd, 

 maiyiiie dentato ; npice obtxso paulu antico ; codd 

 Jisnindi prominent i, Jissurd brevi, quadratd. 



The TMiCK-itiisBED Emauim.n-l-la. Shell compressed, | 

 posteriorly expanded, fulvous, partly subcinereous, 

 tive-angled, rayed with unequal, strong ribs, mure 

 prominent at the angles, the posterior ones doubled, 

 margin toothed ; apex obtuse, a little anterior ; 

 tissural rib prominent, fissiu-e short, square. 



A. AuAMS. Proc. Zool. Soc, 18J!. 



Ilah. ? 



A very liinpet-Ukc shell, with no tendency in the 



beak to curve. 



The nodulous Emarginula. Shell fulvous-green, ele- 

 vated, arched, rayed with seven thick lobed, broad , 

 prominent ribs, pitted between the ribs ; tissural 

 rib narrow, prominent ; fi.ssurc internal ; apex re- 

 curved, back arched. 



A. Adams. Proc. Zool. Soc, 1851. 



Hab. Sibonga, Isl. Zebu, Philippines. 



The ribs are thickly clubbed and the fissure is only 

 visible on the inner edge. 



Species tl. (Mus. Brit.) 



Emarginula Cumingii. Kma. tesld compressd, pallide 

 fulvd, medio et versus apicem viridi pictd ; costin 

 rugntis, rotundis, inceqvaliter Jhscini/atis nidiatd : 

 margine expanso, lobato, octangidnto ,• :ipic, nbtiico, 

 ante-mediani ; Jissurd brevi, incisd. 



Ci-mixg's Emarginula. Shell compressed, pale fulvous, 

 painted with green in the middle and towards the 

 apex; rayed with wrinkled, rounded, unequally 

 grouped ribs; margin expanded, lobed, octangular; 

 apex obtuse, ante-median ; fissure short, incised. 



SowEinn-. Thesaurus Couchyliorum. Fissurellida;, PI. 

 XII. 76 ; Emarginula, .species 76. 



Hab. Australia. 



Species 40. (Mus. Brit.) 



i.i.ixi'LA NuDULosA. Eiiia. testd fulvo-i'iridi, clinitii, 

 'uvuatd, costis septem crassis, lobatis, latis, proiiii- 

 nentibus radiatd, inter castas foveolatd ; casta Jis- 

 surali angustd, prominenti ; Jissurd internd ; apice 

 recurvo, dorso arcuato. 



Species 42. (Fig. a, b, Mus. Brit.) 



EmARl; INULA NOTATA. Ewd. tl'slil 0Vilt„-snln-i>tll lidi'l. 



ibpressd, latd, suJicu moO, ri,t;/is iniin, i,,si.<, i/ejiressis, 

 nigris radiatd, iiitas .-■./ iinirijnt, ,„ liii, is „i,/ris ornat!- 

 dispositis notatd ; apir,' J'Ius.'.kuI, -m, i/i, mi ; Jissurd 

 inconspicud. 



The MARKED Emarginula. Shell ovate-subrotund, de- 

 pressed, broad, bluish, rayed with numerous de- 

 pressed, black ribs, marked inside at the margin 

 with black lines ornately disposed ; apex obtuse, 

 ante-median ; fissure inconspicuous. 



Linnteus (Patella). Systema Naturse. 



Hab. ? 



December, 1873. 



